Proxy监控数据.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>监控数据</title>
    <style type="text/css">
    </style>

</head>
<body>
<script>
    /*监控*/

    function createProxyObject(obj) {
        return new Proxy(obj,{
            get: function(target,name){
                return name in target?target[name]:undefined
            },
            set: function(target,name,value){
                if (typeof value === "object") value = createProxyObject(createProxyObject);
                console.log("set proxy value:", value);
                return target[name]=value
            }
        })
    }

    var a = createProxyObject({});
    a.b = {};
    a.c = 1
</script>
</body>
</html>